function trim(s)
{
  return rtrim(ltrim(s));
}

function ltrim(s)
{
  return s.replace(/^\s+/, '');
}

function rtrim(s)
{
  return s.replace(/\s+$/, '');
}


function email (login, serv)
{
eml = login +  "@" + serv;
return eml;
}

function wemail (login, serv)
{
document.write (email(login, serv));
}

function wemailto (login, serv)
{
eml = "mailto:" + email(login, serv);
window.location.href = eml;
}

function chhidElem (obj) //функция, открывающая и закрывающая пункты меню
{if (obj.className == "colelem")
obj.className = "expelem"
else
obj.className = "colelem"
}